| Season Review | Matches: 1965 – 1966 | 1965-1966 Pictures |
Appearances (Goals in brackets)
* – left Celtic during season 1965/66
† – left Celtic at the end of season 1965/66
| League | League Cup | Scottish Cup | ECWC | Total | |
| Fallon | 4 | 7 | 0 | 0 | 11 |
| Simpson | 30 | 3 | 7 | 8 | 48 |
| J Kennedy | 0 | 1 | 0 | 0 | 1 |
| Young | 16 (2) | 11 (1) | 2 | 4 | 33 (3) |
| Craig | 15 | 0 | 4 | 4 | 23 |
| Kennedy* | 0 | 0 | 0 | 0 | 0 |
| Gemmell | 34 (4) | 11 | 7 | 8 (2) | 60 (6) |
| McNeill | 25 | 10 | 7 | 7 (1) | 49 (1) |
| Cushley | 12 | 1 | 1 | 2 | 16 |
| Clark | 34 | 11 | 7 | 8 | 60 |
| Johnstone | 32 (9) | 8 (1) | 7 (1) | 7 (3) | 54 (14) |
| Lennox | 24 (15) | 11 (5) | 2 (1) | 6 (4) | 43 (25) |
| Chalmers | 22 (14) | 6 (2) | 6 (4) | 6 | 40 (20) |
| Gallacher | 19 (4) | 6 | 3 (1) | 4 | 32 (5) |
| Murdoch | 31 (5) | 11 (2) | 7 (2) | 8 (2) | 57 (11) |
| Hughes | 23 (13) | 8 (8) | 6 | 7 (1) | 44 (22) |
| McBride | 30 (31) | 7 (7) | 7 (3) | 7 (2) | 51 (43) |
| Divers† | 3 (1) | 5 (2) | 0 | 0 | 8 (3) |
| Brogan | 2 | 0 | 0 | 0 | 2 |
| Auld | 17 (8) | 4 (3) | 4 (2) | 2 | 27 (13) |
| Cattanach | 1 | 0 | 0 | 0 | 1 |
| own goals | (0) | (0) | (0) | (0) | (0) |
Most Appearances – Tommy Gemmell and John Clark
Top Scorer – Joe McBride
New Arrivals and debuts this season:-
John Kennedy – young Irish 'keeper signed the previous season made his one representative Celtic appearance in the League Cup on the 22/9/65 against Raith Rovers
Joe McBride – top scorer for the season and the perfect signing.
Michael McGowan – a young inside forward signed from St Roch's
George Connelly – taken on the groundstaff from Tuliallan Thistle and started to make a name as a goal scorer in the Reserves
Henry Quinn – another young inside forward plucked when released by St Mirren. He was released at the end of the season but would go on to a career with Clyde and Dundee Utd.
Bent Martin – Danish goalkeeper seen in the ECWC at Aarhus, invited for a trial and given a full contract. Reserve team goalkeeper.
Departures:
Jim Kennedy – had been a Scotland internationalist and stand-in captain the previous season but found himself out in the cold this season. Departed to captain Morton
John Divers – started the season in contention but fell out of the first team set up and released. He went on to join Partick Thistle.
Henry Quinn – see above
Celtic also had 4 Brazilian trialists at the start of the season: centre forward Marco di Sousa, inside forward Ayrton Inacio, wing half Jorge Farah and inside forward Fernando Consul.